Edwin r



@uiten tartes gattini .@fftrei."

Letters'Patcut No. 80,108, dated July 21, 1868. i

IMPROVED MACHINE POR MAKING NUTS.

"Litige Srlgehult nicht tu im tlgrsc Eaters gnent mit uniting mrt nf tige nur.`

TO ALL WIIOM IT MAY CONCERN:

Bc it known that I, EDWIN R. ADDISON, of Wheeling, in the county of Ohio, and State of West Virginia, have invented a. new and improved Nut-Machine; and I do hereby declare the following to be a full, clear, and exact description thereof, reference being had to the accompanying drawing, which is made a part of this specifica-tion.

The subject of my invention is a machine for making nuts by 'a continuous process from the heated bar, and is of that class of said machines in which the dies are contained in an intermittingly-revolving table, so arranged that the dies shall, at every revolution, pass through a reservoir of water to cool them.

In my machine the dies are arranged circumfercntially of theV table or bed, which consists of a large hollow or chambered roller, of suitable form, mounted horizontally in the frame,thc punches being arranged radially above said table. VThe dies are provided with movable perforated bottoms, actuated by suitable mechanism to discharge the nished nuts from the dies previous to their immersion, and are connected with the interior of the table by suitable perforations, to allow of the discharge of the punchings therethrough. The operatingmechanism is so arranged as to form, at their simultaneous, or approximately simultaneous, operations, and discharge a nut at each interval between the movements of the table, thus, at each complete revolution of said table, turning out a. number of finished nuts corresponding with the number of dies.

In the drawingsf Figure 1 `is a plan view of my improved machine,

Figure 2 is a front elevation.

Figure 3 is a rear elevation. A

Figure 4 represents a. longitudinal section on the planeindicated by the line x x, lig. 2. v

The frame A may be of any suitable form to support the operating parts. The revolving die-table B is mounted longitudinally of the frame A, its front end being journalled in the box A1, and from immediately behind the die-table proper rests in the tubular portion, A2, of said frame. It may consist of two portions, as shown, tofaelitate the formation of the recesses for the dies, and of different diameters, to adapt it to best sustain the strain with the least weight of metal, its ends being chambered, as at Bl and B2, to further increase those qualities. The front chamber, B, further serves the purpose of a discharge for the punchings, 4as hereafter described. v A

The table is provided circumferentially with suitable recesses for the reception of the dies C Cl C C3 C, and their movable bottoms, c. Perforations Z1 connect the central pcrforations Acl of said bottomsY to the chamber Bl, through which the punchings are discharged, and slots b1 are provided in the face of the table, connecting with the interior of the dic-containing recesses, and terminating in pairs of lugs b2?, between which are pivoted levers D, by which the movable bottoms c are elevated, to discharge the finished nuts.

When the table is cast in two portions, as shown, (see iig. 4,) thc slots b, lugs ZF, and a part ofthe recesses for the reception of the dies are formed in the front part, the major part of the main recesses and the perfora-` tiens b being formed in thc rear and principal part.

The front part of the frame A forms a. trough or reservoir, A3, which is lled with water, Vin which the dies are consecutively immersed, after the nuts are discharged therefrom,lfor the purpose of coolingr them, each diei remaining in the water while the punching operations are being performed in the tw'o above it.

E represents the driving-shaft, which is mounted at one end in the bearing A4, and has keyed to it a ilywhcel, It, and pinion Gr, the latter meshing with the large gear-wheel II, on the end of the shaft I, which is mounted in the bearings A5 A5, and has keyed to it bevel-gears J Jl and K, the former of which impart the motion to the cams which operate the punching and discharging-devices, as hereinafter described, and the latter the device for imparting the requisite motion to the table,4 as follows:

L is a shaft, journalled in a suitable bearing in the extremity of the hanger M, at right angles to the shaft I, to which it is connected by the bevel-gear N, which meshes with the gear K on said shaft. A- disk, O,-is

mounted on the outer endof this shaft, and carries a friction-roller, o, which, at each revolution of thesbafts I and L, engages with one ofthe curved radial arms, P P1 P2 P3 Pict' the die-table B, and imparts to said table a one-fifth revolution, bringing the die corresponding with the arm acted on under the lrst or severing-punch. Q 'is a disk, of which the arms P, Ste., may form parts,arranged immediately in front of said arms, and provided peripherally with notches g, corresponding with the number ot said arms, which are engaged by a pawl, R, during the punching operation. The pawl R is pivoted at r, and its arm 1 rests on the cam-periphery ol of the disk O, said cam being composed of two regular curves, 1 2, connected by inclines 3. While the surface 1 is in contact with the arm r1, the pawl R is held firmly in one of the notches g, moved opposite it by the previous movementrof said disk, and when the surface 2 is in'contact it will be raised out of said notch, andthe table be free to receive another` movement from the roller o, which will by that time have come in contact with another of the arms P. a .v i

A6 A7 are standards of the frame A, arranged radially of the revolving die-table, and adapted to receive the punches and their operating-levers. i v S Sl are the principal'punches, adapted, respectively, to sever the piece of metal and compress it in the die; and to form the crown on the upper surface ofthe nut, and hold it firmly in the die, whilethe perforatingpunch S2, which slides within it, is being retracted. .The standards AG A7,l for the reception of the punches S S1, are formed with suitable ways or boxes at their front end, havingl inwardly-projectingstuds, a, occupying a suitable recess in the rear side of said punches, to limit their movement, and removable fronts, al, to allow Aof theirinsertion, the standard A7 being provided with a slot, a2, in its rear side, for the passage ofthe actuatingleverotl the inner punch y The levers U Ul for actuating the punches vS S1', are pivoted at u and u,'in their respective standards, and are operated bythe cams V V1. The actuating-lover U2v ofthe punch S2, is pivoted at u2 in the standard A', and is operated by the cams V2 on the sides of the' cam`V1, li.) being slotted at 'a3 for the passage of said cam.

llie cams V V1 are constructed with an elevating eccentric-curve, v` 1, for imparting they downward moveu ment to the plungers, and a regular curve, 2, concentric to the shaft, for holding the punches in their depressed position, said curve 2 commencing at the outer-end of the incline 1, and connected toits inner end by an abrupt decli'vity, 3, for allowing the punches to rapidly retractiat the/conclusion of the punching and forming operations. The respective lengths of the curves l and 2 of the camsV Vl may be different, as it is necessary for the latter to hold the punch S in its depressed position While the performing-punch S2 is being retracted, whereas the punch S may be released immediately on the termination of its ellective stroke. The form of the cams V2 is such that the effective movement ol' the punch Sz'shall commence subsequently and end' previously to the commencement o f the movements of its containing-punch S1, and may consist of asingle evolute curve, 1, having its extremities connected by a. radial line, .2. The cams V V1 V2 are lmounted o n shafts W W1, journalled in bearings AB A8 A9 A9, Aparallel to the pivots ofthe punch-operating levers, and provided on their lower or outer endswith bevel-gear wheels X X1, whicb,rpa`ssing through suitable slots in-the frame provided for their reception, mesh'with the bevelgcars J J1, and receive through thema continuous rotary motion. A

Yiis a rock-shat`t -journallcd in a hanger, Ad, of the frainc A, at about right angles to the punch S, and consequently to the axes of the d ies, when under said punch. I It is provided with a cam-arm, y, in the plane l of the'axes of the dies when in said position', which, on the retraction of the punches S1 S2, by the partial rotation of said shaft, depresses the outer end'of the levers D, and elevates the bottoms c to throw outthe finished nuts, a chute being there provided to receive the nuts and discharge them outside of' the reservoir A3.

The rock-shaftY receives its motion through an arm, y, and sliding rod Y1, from a suitably-formed and arranged cam V3 on the shaft W1. An adjustable guide, Z, may be attached to the'frame, at a suitable point, to facilitate placing the bar oi' metal under the punch S.

The return-movements ofthe sliding rod Y, levers 'l l T2, punches S S1, and pawl R, may be made by springs or weights, suitably applied, or by substituting diskshaving corresponding cam-grooves for the cams, and connecting the parts not operated directlyby said vcams to their connecting-medium,bylinks or other suitable de'vices, the movements in both directions may be made positive.v i l A l H aving thus described my invention, the following is what I claim as new, and desire to vs eeure'by Letters Iatent 1. The combination of the several punches herein described, and the dies on 'the periphery of the wheel l:B with the cavity B1, for the discharge ofthe punchings, all'arranged andioperating substantially as described; 2. The arrangement, in-a die-wheel or shaft, which rotates ina vertiealplane,lot` the cavity B1, passages b,

and dies C c c1, all substantially as set forth. A v

' 3. The combination of the disk O, having a cam-periphery, 01, and a, friction-roller, o, the radial arms l), notched diskQ, and pawl It, with the table B, substantially as and for the purposev specified.

To theabove specification of my invention, I have s ignedunyl hand, this seventh day of May, 1868.

I E. R. ADDISON.

Witnesses:

J. E. M. BOWEN, J. L. EWIN. 

